Something or other, whatever!

I thought it'd be nice to make a game out of connecting different places with roads and building things.

A tool to design a an all-over printed hoodie using the Spectre aperiodic monotile.

A pattern to print out on a big vinyl sticker, to use as a whiteboard in my office.

Recreating a design I saw made by someone else, but on a hex grid.

A Mandelbrot fractal visualiser written using WebGL.

Made to accompany a video about an integer sequence I came up with.

A tool I made to help think about how to make a customisable, accessible colour palette.

A tool which plots a list of colours on polar coordinates, to help spot similar colours.

An animation of text diffusing.

Another iteration in my ongoing exploration of the Unicode character set.

A tool to plot the votes for each Big Internet Math-Off match, over time

Shows how to add a TeX comand to MathJax 3, which parses its (non-TeX) input and returns TeX code to go be substituted for the macro.

I worked out how to put arbitrary HTML inside an Elm app, using a custom element

A poster about Numbas.

You'll be shown five numbers, between 100 and 999.

An editor for Eukleides diagrams.

Shows how to embed a Numbas question in a page using an iframe tag

A calculator that uses JME expressions.

A simple spinner using the SVG animate tag

Inspired by work of Elliot Vez on nudging a point along an implicitly-defined curve.

A clock which shows the unix epoch - the number of seconds since new year, 1970.

A puzzle invented by Alexandre Muñiz where you have to reverse a list of integers with a constrained set of moves.

I'm working on writing display code for Numbas in Elm.

A page to show the next train times for the Tyne and Wear Metro.

A button that takes a number and makes it more complicated by expanding it to a mathematical operation.

I wanted to make a game where you have to think a bit, but not too much.

Letters are positioned on a binary tree.

A clock with a hand for each power of two seconds.

A server for my code experiments, like glitch.com but under my own control.

An implementation of Quanta Magazine's Hyperjumps game.

I'd like to colour the days of the year by changing the hue parameter of an oklch colour with the day of the year.

A JavaScript port of the Tiny Elvis application, created in 1994 for Windows 3.1 by Matthew T.

A tool to help me, with limited colour vision, make accessible colour palettes.

Experimenting with how the curves joining points in a permutation chart are chosen.

A puzzle where you have to reverse the order of two lines of numbered baubles.

A tool to make art consisting of text drawn over an image, avoiding a mask drawn by hand.

The beginnings of an idea about quickly cutting out sprites from a drawing.

A Morse code key made for Ayliean MacDonald.

A web component to embed a GeoGebra applet

A really simple tool which generates a QR code containing the given text.

For my toddler to bang away at the keyboard

Data for normalizing mathematical expressions written in Unicode

Smith, Myers, Kaplan and Goodman-Strauss's aperiodic monotile, in a variety of formats

A Django project for serving ActivityPub actors, designed for bot accounts

An extension for Numbas providing editable table or spreadsheet widgets

A Python script to convert the Twitter archive to something that can be published

An interactive page to make a magic square for your birthday.

My talk at Big MathsJam 2022: five talks about trains